From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by sourceware.org (Postfix) with ESMTPS id 545A93839C6D for ; Thu, 12 Aug 2021 05:22:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 545A93839C6D Received: by mail-ed1-x531.google.com with SMTP id k9so7612744edr.10 for ; Wed, 11 Aug 2021 22:22:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=daevrP3xm3GcvXrf5yWDbshh9najPBvLoJTvXDUToqU=; b=C2Jfy4bSOdn4uFHkafLzLvms1UjetnZfOsGmCSmRgEyCniSSkfEso2GnC8nIzW4McM DMp9R489VkasvS+Hd35qnyJHApTxWuAm9SKJ2dEMNboViiFo0ggPiDvgNKub1J1oF8tJ sI4jRIcsR8UspvsHh/K1v0QTOEIuTSQA4H7iTq8ZfMJb74eF9W53lR4RYp+QYbM5Xwd+ NG/PM36cJ0nktlceO7LLjQc9KByewrDCnAIGx77ZhE5c2AxuOIjapF/EuQatPcRxL6P8 3w987/qXRGqR/PFGN9gFZqG2vEeaGgkSukK2C3wEFMBctK3rY4kKw7BpsIk5N7Z4vjEO +sAQ== X-Gm-Message-State: AOAM530GP3RookBXRwBMKny+S0KUs6YeBTzlxSN8U4dPgobxt/W5wfle IJvbBuhT27gyu4UluQAIc069jr3AHVHPoo5nqldSEFLR X-Google-Smtp-Source: ABdhPJzjKmpYqyT2AvIAL+KgjaPhGouqT8L6a/srLoOifgGUmXDMbGXr7DGQJnTHK38GFpmtCm2u7oIo/M9C8M9lSWY= X-Received: by 2002:a05:6402:26cd:: with SMTP id x13mr3367620edd.184.1628745744416; Wed, 11 Aug 2021 22:22:24 -0700 (PDT) MIME-Version: 1.0 References: <0a68361c-0bca-c2d0-e122-ede519e03e01@SystematicSw.ab.ca> <6cfbde9b-16ff-5de0-a040-8dcfb5d54bc3@SystematicSw.ab.ca> <3b947ca2-d86d-90f7-1270-2796e55bbbd6@maxrnd.com> <08cdda56-2994-ae30-d508-9491ad24422f@maxrnd.com> In-Reply-To: From: David Dyck Date: Wed, 11 Aug 2021 22:22:12 -0700 Message-ID: Subject: Re: many cygwin shells/tools (tcsh, fish, bash, and zsh) crashing STATUS_ACCESS_VIOLATION To: Mark Geisert Cc: cygwin@cygwin.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Aug 2021 05:22:26 -0000 On Wed, Aug 11, 2021 at 10:10 PM Mark Geisert wrote: > > Hi David, > > David Dyck via Cygwin wrote: > > First, thanks for digging further into this. > > > > I'm guessing that I am missing some of the developer pieces that > > assisted you in deducing from > > No problem. I was curious about the possible Win 11 Preview connection and > happened to have a bit of free time to investigate. Installing the > ncurses-debuginfo package gave me debugging symbols for use with gdb. Calculating > minus from your strace gave me the offset > into the ncurses DLL of the exception on your system. Then on my own system I > have a different but adding the offset gives me the > corresponding on my own system. The rest was using gdb. > Thank you, I appreciate your contributing to my education. > I didn't consider that your original libncursesw-10.dll might have been damaged. > I was kinda fixated on the possibility of Win 11 Preview brokenness ;-). > That's right, you're back to the version you started with but things are working > now. I'm now inclined to think your original ncurses DLL was damaged somehow. I > don't know how deeply 'cygcheck -c' checks a package.. It can tell when individual > files are missing from the package but I don't know if it checksums the files, for > instance, to discover individual file damage. Maybe there's an opportunity to have cygcheck include a checksum of each file in its report - but too late now. > I don't think there's anything more to do here but run your working system :-). Thank you, I am doing just that! David